La prise en compte de la responsabilité sociale de l’entreprise pose la question des moyens d’évaluer sa performance en la matière. L’exemple d’Areva.

We revisit the index leverage effect, that can be decomposed into a volatility effect and a correlation effect. We investigate the latter using a matrix regression analysis, that we call ‘Principal Regression Analysis’ (PRA) and for which we provide some analytical (using Random Matrix...

We point out that the two and half years of negotiation (1692-1694) between a group of investors and the English government, who led to the establishment of the Bank of England, aimed to guarantee the liquidity of a new public debt and not to establish a bank. We analyze the evolution of the...

In this article the authors examine the motivation behind the formation of risk pools. They do so by using as suitable study data survey information collected among the rural poor of the Philippines. They discuss the possibility that network formation comes as the result of an attempt to...

Given that the vision of continuous vocational training has changed greatly since the Liberation, this article deals with several questions : Which factors structure these changes? How has collective bragaining in this area taken them into account? To what extent does the january 2009 agreement...